package lab03.test01.test08;
import java.io.*;
/**
 * Created by Adminitrator on 2017/12/13.
 */
    public class Test {
        public static void main(String[] args) throws IOException {
            String path1 = "D:\\java\\1.txt";
            String path2 = "D:\\java\\2.txt";
            String path3 = "D:\\java\\3.txt";

            InputStreamReader reader = new InputStreamReader(new FileInputStream(path1));
            BufferedReader buffer = new BufferedReader(reader);//读1.txt内容

            InputStreamReader reader1 = new InputStreamReader(new FileInputStream(path2));
            BufferedReader buffer1 = new BufferedReader(reader1);//读2.txt内容

            OutputStreamWriter last = new OutputStreamWriter(new FileOutputStream(path3));
            BufferedWriter writer = new BufferedWriter(last);//写3.txt内容

            String line1 = buffer.readLine();
            String line2 = buffer1.readLine();
            while (true) {

                if (line1 != null && line2 != null) {
                    System.out.println(line1);
                    System.out.println(line2);
                    writer.write(line1);
                    writer.newLine();
                    writer.write(line2);
                    writer.newLine();
                    writer.flush();
                    line1 = buffer.readLine();
                    line2 = buffer1.readLine();
                } else if (line1 == null && line2 != null) {
                    System.out.println(line2);
                    writer.write(line2);
                    writer.newLine();
                    writer.flush();
                    line2 = buffer1.readLine();
                } else if (line1 != null && line2 == null) {
                    System.out.println(line1);
                    writer.write(line1);
                    writer.newLine();
                    writer.flush();
                    line1 = buffer.readLine();
                } else {
                    break;
                }
            }
        }
    }
